package org.tea.inventory.utils;

import org.tea.inventory.base.exception.ApplicationException;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Set;
 
public class ValidateUtil {
    private static Validator validator;

    // 初始化 validator
    static {
        validator = Validation.buildDefaultValidatorFactory().getValidator();
    }
    /**
     * 校验对象
     * @param object        待校验对象
     * @param groups        待校验的组
     * @throws ApplicationException  校验不通过，则报RRException异常
     */
    public static void validateEntity(Object object, Class<?>... groups)
            throws ApplicationException {
        Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);
        if (!constraintViolations.isEmpty()) {
            StringBuilder msg = new StringBuilder();
            for(ConstraintViolation<Object> constraint:  constraintViolations){
                msg.append(constraint.getMessage()).append("<br>");
            }
            throw new ApplicationException(400,msg.toString());
        }
    }


}